JP6708881B2 - Suspension device - Google Patents

Description

According to the present invention, a field frame receiver is suspended in a steel frame purlin attached to a roof frame made of steel, which is installed at various inclination angles according to the slope of a roof material, without being affected by the inclination angle. Field suspension for suspension.

Conventionally, a field edge receiving suspension device for suspending a ceiling material in a steel frame building having a steel frame roof frame (2) arranged to be inclined at various slope angles according to the slope of the roof material is Although not often seen, for example, as a ceiling material fall prevention device, there is a conventional technique according to Japanese Patent No. 3817346. In this conventional technology, a steel frame purlin is installed orthogonally to the upper surface of a steel frame roof frame that is arranged at various inclination angles according to the inclination of the roofing material such as a roof substrate or roof board. Then, the plate-shaped first member directly attached to the steel roof frame and the plate-shaped second member to which the ceiling suspension bolt is attached are overlapped with each other, and both of them are in a vertical plane with the central portion as an axis. Is rotatably pivotally mounted, and the second member is rotationally adjusted with respect to the first member with its center being the center of rotation so that the second member vertically hangs the ceiling suspension bolt. According to this conventional technique, there is a risk that the second member rotates and swings with respect to the first member due to shock or vibration during an earthquake, and the ceiling suspension bolt attached to the second member swings greatly to the left and right. The swinging of the ceiling suspension bolt is a major factor in the destruction and fall of the ceiling material suspended by the ceiling suspension bolt, and the structure is complicated because the first member and the second member are pivotally attached to their rotation centers. There was a difficulty that the production cost was high. As is well known, a field edge receiver is attached to a lower end portion of a ceiling suspension bolt via a hanger, a field edge is attached to the field edge receiver via a hook member, and a ceiling material is attached to the field edge. It is like this.

The present invention prevents the ceiling material from falling off due to an external pressure such as an earthquake as in the above-mentioned conventional technique, and is provided on the roof frame without being affected by the inclination angle of the steel frame. An object of the present invention is to propose a field edge support suspension device for firmly suspending the field edge support on a steel frame purlin which is a horizontal member.

The means for solving the above problems will be described with reference to the reference numerals of the embodiments described later. The field edge suspension device according to claim 1 is inclined at various inclination angles in accordance with the inclination of the roofing material 1. In a field edge receiving suspension device for fixing a steel frame purlin 3 which is a horizontal member at right angles to the steel frame roof frame 2 that is arranged as described above, and suspending the field edge receiver U on the steel frame purlin 3. A field edge receiving suspension fitting 4 is attached to a steel frame purlin 3, and an arcuate curved piece 5 which is curved in an arc shape in the longitudinal direction of the steel roof frame 2 is integrally formed on the suspension fitting 4 and The arc-shaped curved piece 5 is provided with a long hole 6 that opens in the curved direction, and the curved inner surface 5a of the arc-shaped curved piece 5 has a plate-shaped curved nut 7 slidable in the curved direction along the inner surface 5a. is provided, Ri hanger bolts 8 for the suspension receiving ceiling joist to plate-like curved nut 7 Na screwed through said elongated hole 6,
The steel frame purlin 3 is opposed to each other with the vertical flange portion 3a, the upper flange portion 3b at the upper portion, the lower flange portion 3c at the lower portion, and the opening portions 3d sandwiched at the tip portions of the upper and lower flange portions 3b, 3c. Of the upper and lower lip portions 3e and 3f projecting from each other, the field edge receiving suspension fitting 4 attached to the steel frame purlin 3 made of the grooved steel with lip is An upper piece 4a into which a pressing bolt 9 for pressing the upper surface of the lower flange portion 3c is screwed, a vertical piece 4b extending downward from one end of the upper piece 4a along the lower lip portion 3f of the purlin 3, and the vertical piece 4b. The arc-shaped curved piece 5 extending upward from the lower end of the arc-shaped curved piece 5 and the lower piece 4c that abuts the lower surface of the lower flange 3c from the upper end of the arc-shaped curved piece 5. Of the field frame receiving suspension fitting 4 by the pressing bolt 9 that presses the upper surface of the lower flange portion 3c and the fixing screw 10 that is screwed over the lower piece 4c and the lower flange portion 3c that contact the lower surface of the lower flange portion 3c. Attached to the
An engaging projection 4d is formed by extending a tip end portion of the lower piece 4c of the field edge receiving suspension fitting 4, and an engaging hole 4e for engaging the engaging projection 4d with the vertical piece 4b of the suspension fitting 4. Is formed.

In the invention according to claim 2 , the plate-shaped curved washer 11 is attached along the curved outer surface 5b of the arc-shaped curved piece 5 of the field edge suspension fitting 4, and the hanging bolt 8 penetrates the arc-shaped curved piece 5. The lock nut 12 is screwed into the suspension bolt 8 while the lock nut 12 is screwed into the hanging bolt 8 while penetrating through the provided long hole 6 and the plate curved washer 11. The suspension bolt 8 is locked in a predetermined suspension direction by being pressed against 11, and has the structure according to claim 1 .

The invention according to claim 3 has the configuration according to claim 2 , in which, of the curved surfaces of the plate-shaped curved washer 11, the nut pressure contact surface with which the lock nut 12 is pressure contacted is formed as a flat surface 11a.

According to a fourth aspect of the present invention, the suspension bolt 8 screwed into the plate-shaped curved nut 7 through the long hole 6 formed in the arc-shaped curved piece 5 of the suspension fitting 4 is a steel-framed roof frame. hung vertically by being guided by the slot 6 without being affected by the inclination angle of the frame 2, according to any one of claims 1 to 3 comprising by suspending the field edge receiving U via the hanger 13 Consist of the composition.

In the invention according to claim 5 , as shown in FIG. 10, suspension bolts 8 and 8 are respectively suspended from the field edge receiving suspension fittings 4 and 4 attached to at least a pair of steel frame purlins 3 and 3, respectively. The pair of suspension bolts 8 and 8 are each composed of a short battledore bolt 14, and a steady rest brace 15 made of a channel steel plate is connected to the battledore bolt 14 so that the pair of braces 15 and 15 are respectively the suspension bolts 8. , 8 are hung from the suspension fittings 4, 4 while being inclined in opposite directions to each other, and the lower end portions 15a, 15a of both braces 15, 15 are fixed to the field rim receiver U by a fixing tool 16. It consists of the composition according to any one of items 1 to 3 .

According to a sixth aspect of the present invention, a strip-shaped punched metal plate 4A for forming the field edge suspension metal fitting 4 has a portion corresponding to the arcuate curved piece 5 with the long hole 6 and an engaging hole 4e. Corresponding to the vertical piece 4b, the upper piece 4a with the screw hole 18 folded by the folding line 20 at the upper end of the vertical piece 4b, and the insertion line folded by the folding line 21 at the other end of the arcuate curved piece 5. consisting arrangement according to any one of claims 1 to 5 consisting of lower piece 4c with holes 19.

According to the invention of claim 1, a steel-framed purlin 3 which is a horizontal member mounted orthogonally to a steel-framed roof frame 2 arranged at various inclination angles according to the gradient of the roofing material 1 A field edge receiving suspension fitting 4 is attached to the suspension fitting 4, and the suspension fitting 4 is integrally formed with an arcuate curved piece 5 that is curved in an arcuate shape in the longitudinal direction of the roof frame 2 made of steel frame. Is provided with a long hole 6 opening in the bending direction, and a curved inner surface 5a of the arcuate curved piece 5 is provided with a plate-shaped curved nut 7 slidable in the curved direction along the inner surface 5a. Since the suspension bolt 8 for suspending the field edge is screwed into the plate-shaped curved nut 7 through the elongated hole 6, the roof frame 2 made of steel frame is arranged at various inclination angles. Even if the inclination angles of the steel-framed purlin 3 and the field-edge receiving suspension fitting 4 attached thereto change due to the installation, the plate-shaped bending nut 7 is guided by the arc-shaped bending piece 5 of the suspension fitting 4 and slides. The suspension bolt 8 that is screwed into the plate-shaped curved nut 7 in order to move and be held at the desired position is either vertically suspended or suspended at a desired inclination angle, and the lower end portion of the suspension bolt 8 is received at the field edge receiver. Can be accurately fixed to U. Moreover, the hanging bolt 8 is firmly connected to the field edge receiving suspension metal fitting 4 by being screwed into the plate-shaped curved nut 7, and the hanging bolt 8 is exposed to external shock or vibration. It does not fall off the receiving suspension fitting 4.

Further , according to the present invention , the field edge receiving suspension fitting 4 attached to the steel frame purlin 3 made of grooved steel with a lip has the pressing bolt 9 for pushing the upper surface of the lower flange portion 3c of the purlin 3, Since it is attached to the steel frame purlin 3 by the lower piece 4c that abuts the lower surface of the lower flange portion 3c and the fixing screw 10 that is screwed over the lower flange portion 3c, the field edge receiving suspension fitting 4 is attached to the steel frame purlin 3. Since it is firmly attached, the field edge receiving suspension fitting 4 does not fall off the steel frame purlin 3 due to external impact or vibration.

Furthermore, according to the present invention , an engaging projection 4d is formed by extending the tip end portion of the lower piece 4c of the field edge suspension fitting 4, and the engaging projection 4d is formed on the vertical piece 4b of the suspension fitting 4. Since the engaging hole 4e is formed, both ends of the lower piece 4c of the suspension fitting 4 are supported by the arcuate curved piece 5 and the vertical piece 4b, and a downward load is applied to the lower piece 4c. However, the function of preventing the deformation can be exhibited.

According to the second aspect of the invention, the plate-shaped curved washer 11 is attached along the curved outer surface 5b of the arc-shaped curved piece 5 of the field receiving suspension fitting 4, and the suspension bolt 8 is fixed to the arc-shaped curved piece 5. While being screwed into the plate-shaped curved nut 7 by penetrating the elongated hole 6 and the plate-shaped curved washer 11 which are provided through the lock nut 12, the lock nut 12 is screwed into the suspension bolt 8 Since the hanging bolt 8 is locked in a predetermined suspension direction by being pressed against the curved washer 11, the hanging bolt 8 is composed of a plate-shaped curved washer 11 attached to the arc-shaped curved piece 5 and a lock nut pressed against the plate-shaped curved washer 11. 12 ensures that the suspension direction is maintained in a desired suspension direction in the vertical direction or the inclined direction, and the suspension direction of the suspension bolt 8 does not unexpectedly change due to external impact or vibration.

According to the invention of claim 3 , among the curved surfaces of the plate-shaped curved washer 11, the nut pressure contact surface with which the lock nut 12 is pressure-contacted is formed into the flat surface 11a, so that the lock nut 12 has the plate shape. The curved washer 11 can surely come into surface contact with the curved washer 11 and effectively exhibit its locking action.

According to the invention of claim 4 , the suspension bolt 8 screwed into the plate-shaped curved nut 7 through the long hole 6 formed in the arc-shaped curved piece 5 of the suspension fitting 4 is made of steel frame. The roof frame 2 is guided vertically by the elongated hole 6 without being influenced by the inclination angle of the roof frame 2, and is suspended vertically through the hanger 13. Instead, it is suspended by the suspension bolt 8.

According to the invention of claim 5 , as shown in FIG. 10, suspension bolts 8 and 8 are respectively suspended from the field edge receiving suspension fittings 4 and 4 attached to at least a pair of steel frame purlins 3 and 3, respectively. The pair of suspension bolts 8 and 8 are each made of a short battledore bolt 14, and a steady rest brace 15 made of a channel steel plate is connected to the battledore bolt 14 so that the pair of braces 15 and 15 are respectively suspended. The bolts 8 and 8 are hung from the suspension fittings 4 and 4 so as to incline in mutually right and left directions, and the lower end portions 15a and 15a of both braces 15 and 15 are fixed to the field rim receiver U by a fixing tool 16. Therefore, the field edge receiver U can be suspended by the pair of precession braces 15, and even if an impact or vibration from the outside is received, the pair of precession braces 15 can be reinforced by the reinforcing action of the precession braces 15. U can be suspended without shaking, and the ceiling material attached to the field receiver U via the field edge can be prevented from falling off.

According to the invention of claim 6 , a strip-shaped punched metal plate 4A for forming the field edge suspension metal fitting 4 includes a portion corresponding to the arcuate curved piece 5 with the elongated hole 6, and an engagement hole. 4e with a portion corresponding to the vertical piece 4b, the upper piece 4a with the screw hole 18 folded by the folding line 20 at the upper end of the vertical piece 4b, and the folding line 21 at the other end of the arcuate curved piece 5. Since the lower piece 4c with the insertion hole 19 is formed, the above-mentioned series of constituent parts can be integrally formed by punching a metal plate such as a steel plate, and then the punched metal plate is simply folded to obtain a product. It can be manufactured at a very low cost.

It is an explanatory view of a usage state of the field edge suspension device according to the present invention. It is an enlarged front view which shows the use condition of the principal part of this invention. 1. It is the sectional view on the AA line of FIG. (B) is the same BB line sectional drawing. FIG. 3 is a sectional view taken along line BB of FIG. 2. It is the same perspective view. It is the same exploded perspective view. It is an expansion perspective view of the same important section. It is the same exploded perspective view. It is an enlarged front view showing other usage conditions of the important section of the present invention. It is a usage condition explanatory drawing of other embodiment of the field edge suspension device which concerns on this invention. FIG. 3 is a development view of a field edge receiving suspension fitting of the main part.

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a usage state of a field edge suspension device according to the present invention.

Conventionally, as a pitched roof, a roofing material 1 including a roof base and a roof board is formed with various pitch angles. A steel-framed roof frame 2 is arranged as a girder member from a high place to a low part inclining according to these various gradient angles, and a horizontal member is orthogonal to the upper surface of the steel-framed roof frame 2. The steel frame purlin 3 is fixed by a suitable fastener 17 as in the prior art.

According to the present invention, as shown in FIG. 1, a steel frame purlin 3 obliquely attached to a steel frame roof frame 2 is equipped with a field edge receiving suspension device.

In this field edge suspension device, a field edge suspension metal fitting 4 is attached to a steel frame purlin 3 arranged in an inclined shape, and a circle curved in an arc shape in the longitudinal direction of the steel frame roof frame 2 is attached to the metal suspension frame 4. The arcuate curved piece 5 is integrally formed, and a hanging bolt 8 for suspending the field edge is connected to the arcuate curved piece 5 as described later, and the field edge receiver U is suspended by the hanger 13 at the lower end portion 8a of the hanging bolt 8. The field edge N is attached to the field edge receiver U via the clip C, and the ceiling material T can be attached thereto with screws or an adhesive material.

The steel frame purlin 3 is well known, and as shown in FIG. 2, the vertical flange portion 3a, the upper flange portion 3b of the upper portion thereof, the lower flange portion 3c of the lower portion thereof, and the upper and lower flange portions 3b, 3c have openings at the tips thereof. 3d is sandwiched between the upper and lower lip portions 3e and 3f, and each corner portion is formed of a grooved steel with a lip formed at a right angle. The field edge receiving suspension fitting 4 attached to the purlin 3 includes an upper piece 4a into which a pressing bolt 9 for pushing the upper surface of the lower flange portion 3c of the purlin 3 is screwed into a screw hole 18 (FIG. 6), and an upper piece 4a. A vertical piece 4b extending downward from one end along the lower lip portion 3f of the purlin 3, the arcuate curved piece 5 extending upward in an arc shape from the lower end of the vertical piece 4b, and the arcuate curved piece 5 A lower piece 4c that abuts the lower surface of the lower flange portion 3c from the upper end of the lower flange portion 3c, and presses the upper surface of the lower flange portion 3c with the lower flange portion 3c interposed therebetween, and the lower flange portion 3c. The field edge receiving suspension fitting 4 is attached to the steel frame purlin 3 by the fixing screw 10 which is inserted through the insertion hole 19 (FIG. 6) of the lower piece 4c that abuts the lower surface of the lower flange portion 3c and is screwed into the screw hole 10a of the lower flange portion 3c. Has been.

As described above, the field edge receiving suspension fitting 4 sandwiches the lower flange portion 3c of the steel frame purlin 3 and the pressing bolt 9 penetrating the upper piece 4a of the suspension fitting 4 presses the upper surface side of the lower flange portion 3c. The fixing screw 10 penetrating the lower piece 4c of the suspension fitting 4 is screwed into the lower flange portion 3c, so that it is firmly attached to the steel frame purlin 3. Further, an engaging projection 4d is formed by extending the tip end portion of the lower piece 4c of the suspension fitting 4, and an engaging hole 4e is formed in the vertical piece 4b of the suspension fitting 4 so that the engaging projection 4d is formed. By engaging with the engaging holes 4e, both ends of the lower piece 4c of the suspension fitting 4 are supported by the arcuate curved piece 5 and the vertical piece 4b, and even if a downward load is applied to the lower piece 4c, The effect of preventing deformation can be exerted.

Then, as shown in FIG. 2, FIG. 4, FIG. 5, FIG. 6, FIG. 7, FIG. 8 or FIG. 9, an arcuate curved piece 5 is integrally formed on the lower part of the field edge receiving suspension fitting 4 and The arc-shaped curved piece 5 is provided with a long hole 6 that opens in the curved direction, and the curved inner surface 5a of the arc-shaped curved piece 5 has a plate-shaped curved nut 7 slidable in the curved direction along the inner surface 5a. Is provided, and a hanging bolt 8 for suspending the field edge is screwed into the screw hole 7a (FIG. 8) of the plate-shaped curved nut 7 so as to penetrate the elongated hole 6.

Further, a plate-shaped curved washer 11 is applied along the curved outer surface 5b of the arc-shaped curved piece 5 of the field edge receiving suspension fitting 4, and the suspension bolt 8 is provided with the elongated hole 6 penetrating the arc-shaped curved piece 5. Also, the lock nut 12 is screwed into the threaded hole 7a of the plate-shaped curved nut 7 through the through hole 11b provided in the plate-shaped curved washer 11, and the lock nut 12 is screwed into the suspension bolt 8 so that the lock nut 12 is The suspension bolt 8 is locked in a predetermined suspension direction by being pressed against the plate-shaped curved washer 11. In addition, since the field edge suspension metal fitting 4 is attached in an inclined state of rising to the right in the figure, the elongated hole 6 formed in the arcuate curved piece 5 extends greatly to the right, and therefore, a plate shape for closing this elongated hole 6 The curved washer 11 is eccentrically arranged on the right side of the flat surface 11a.

As shown in the exploded view of FIG. 8, among the curved surfaces of the plate-shaped curved washer 11, the nut pressure contact surface with which the lock nut 12 is pressure-contacted is formed into a flat surface 11a, and the lock nut 12 is plate-shaped. When the curved washer 11 is pressed into contact with the curved washer 11, the flat face 11a is surely brought into surface contact with the lock washer to effectively exhibit its locking action.

As described above, the suspension bolt 8 screwed into the plate-shaped curved nut 7 through the elongated hole 6 formed in the arc-shaped curved piece 5 of the suspension metal fitting 4 has the inclination of the roof frame 2 made of steel frame. It is guided vertically by the long hole 6 without being influenced by the angle, and is suspended vertically, suspends the field edge receiver U via the hanger 13, and the ceiling material via the field edge N attached at right angles thereto. T is hung.

Similar to FIG. 2, FIG. 9 is the same in that the steel frame purlin 3 is attached to the upper surface of the sloping steel frame roof frame 2 and the field edge receiving suspension fitting 4 is attached to this. In FIG. 2, the suspension fitting 4 is adapted to be attached to the steel frame purlin 3 in a state in which the opening 3d of the steel frame purlin 3 is directed to the upward slope side of the steel frame roof frame 2. In the usage pattern shown in (1), the opening 3d of the steel frame purlin 3 is attached to the steel frame purlin 3 in a state in which the opening 3d faces the downwardly inclined side of the steel frame roof frame 2. The mounting structure is the same as that shown in FIG. 2, and therefore its explanation is omitted. However, in FIG. 9, since the field-edge receiving suspension fitting 4 is provided in an inclined state of rising to the left in FIG. Since the long hole 6 formed in the arcuate curved piece 5 extends largely to the left, the plate-shaped curved washer 11 for closing the long hole 6 is arranged eccentrically to the left of the flat surface 11a.

FIG. 10 shows a usage state of another embodiment of the field edge suspension fitting 4, which is adjacent to the steel frame purlins 3 attached to the steel frame roof frame 2 at appropriate intervals in the longitudinal direction. The suspension bolts 8, 3 are respectively attached to the pair of steel frame purlins 3 and 3 or to the pair of field edge receiving suspension fittings 4 and 4 which are attached to the left and right sides of the steel frame purlin 3 as shown in FIG. 8 is suspended, and the pair of suspension bolts 8 and 8 are each composed of a short battledore bolt 14, and a steady rest brace 15 made of a channel steel plate is connected to the battledore bolt 14 by a fastener 22 such as a screw. , The pair of bracees 15 and 15 are respectively hung from the suspension fittings 4 and 4 via the hanging bolts 8 and 8 so as to be inclined in the opposite directions, and the lower end portions 15a and 15a of the brace members 15 and 15 are connected to each other. It is fixed to the edge receiver U by a screw 16 which is a fixing tool.

As described above, according to this embodiment, at least a pair of steady bracees 15 and 15 can be attached to the field edge receiving suspension fitting 4 regardless of the inclination angle of the steel frame purlin 3, and these brace 15 , 15, it is possible to suspend the field edge receiver U, and even if it receives an impact or a vibration from the outside, the field edge receiver U can be suspended without being shaken by the reinforcing action of the pair of steady rest braces 15. Therefore, it is possible to prevent the ceiling material attached to the field receiver U via the field edge from falling off.

FIG. 11 shows a strip-shaped punched metal plate 4A in a developed state for manufacturing the field edge suspension metal fitting 4, which has a portion corresponding to the arcuate curved piece 5 with the long hole 6 and the engagement hole 4e. A portion corresponding to the vertical piece 4b, an upper piece 4a with a screw hole 18, and a lower piece 4c with an insertion hole 19 are cut out and formed, and the vertical piece 4b and the upper piece 4a are folded along a folding line 20 to form a circle. By folding the arcuate curved piece 5 and the lower piece 4c at the folding line 21, the vertical piece 4b is formed at one end of the arcuate curved piece 5 and the upper piece 4a is formed at the upper end of the vertical piece 4b. A lower piece 4c is formed at the other end of the curved piece 5, a screw hole 18 for screwing the pressing bolt 9 is formed in the upper piece 4a, and an insertion hole 19 for inserting the fixing screw 10 is formed in the lower piece 4c. As a result, an engagement hole 4e for engaging the engagement projection 4d is formed in the vertical piece 4b.

In this manner, the field edge receiving suspension fitting 4 can be manufactured at low cost since it can be manufactured by punching the band-shaped punched metal plate 4A by the punching press machine and bending by the bending machine. It is possible.

In the present invention, the steel-framed roof frame 2 arranged at various inclination angles according to the inclination of the roof material 1 has a roof frame 1 which is horizontal like a flat roof, that is, the inclination angle. It goes without saying that the case where is zero is also included.

DESCRIPTION OF SYMBOLS 1 roofing material 2 steel-framed roof frame 3 steel-framed purlin 3a vertical flange 3b upper flange 3c lower flange 3d opening 3e upper lip 3f lower lip 4 field edge suspension metal fitting 4a upper piece 4b vertical piece 4c lower Piece 5 Arc-shaped curved piece 5a Curved inner surface 5b Curved outer surface 6 Long hole 7 Plate-shaped curved nut 8 Hanging bolt 8a Lower end of hanging bolt 9 Push bolt 10 Fixing screw 11 Plate-shaped curved washer 11a Flat surface of plate-shaped curved washer 12 Lock Nut 13 Hanger 14 Battledore bolt 15 Brace 15a for steady rest Lower end 16 of brace for steady rest Fastener U Field edge receiver

Claims (6)

A steel frame purlin, which is a horizontal material, is fixed perpendicular to a steel frame roof frame that is arranged at various inclination angles according to the slope of the roof material, and a field frame receiver is suspended on this steel frame purlin. In the field edge receiving suspension device, a field edge receiving suspension metal fitting is attached to a steel frame purlin, and an arcuate curved piece curved in an arc shape in the longitudinal direction of the steel frame roof frame is integrally formed on the suspension metal fitting. At the same time, an elongated hole that opens in the bending direction is provided through the arcuate curved piece, and a plate-shaped bending nut that is slidable in the bending direction along the inner surface is provided on the curved inner surface of the arcuate curved piece. are, Ri hanger rod for suspension receiving ceiling joist to plate-like curved nut name is screwed through the long hole,
The steel frame purlin has a vertical flange portion, an upper flange portion at an upper portion thereof, a lower flange portion at a lower portion thereof, and upper and lower lip portions projecting from each other with an opening at the tip of the upper and lower flange portions. The field edge receiving suspension fitting, which is made of grooved steel with a lip and is attached to a steel frame purlin made of the grooved steel with a lip, is screwed with a pressing bolt for pressing the upper surface of the lower flange portion of the purlin. A piece, a vertical piece extending downward from one end of the upper piece along the lower lip of the purlin, an arcuate curved piece extending upward in an arc shape from a lower end of the vertical piece, and the arcuate curve. A lower piece that abuts a lower surface of the lower flange portion from an upper end portion of the piece, the pressing bolt that presses an upper surface of the lower flange portion, and a lower piece and a lower flange portion that abut the lower surface of the lower flange portion. With the fixing screw screwed over, the field receiving suspension fitting is attached to the steel frame purlin,
A field edge in which an engaging projection is formed by extending a tip end portion of the lower piece of the field edge receiving suspension fitting, and an engaging hole for engaging the engaging projection is formed in the vertical piece of the suspension fitting. Suspension device. A plate-shaped curved washer is attached along the curved outer surface of the arc-shaped curved piece of the field edge receiving suspension fitting, and the suspension bolt penetrates the elongated hole and the plate-shaped curved washer penetrating the arc-shaped curved piece. The lock bolt is screwed into the plate-shaped curved nut, and the lock nut is screwed into the suspension bolt so that the lock nut is pressed against the plate-shaped curved washer to lock the suspension bolt in a predetermined suspension direction. field edge receiving suspension system according to 1. The field edge receiving and suspending device according to claim 2 , wherein among the curved surfaces of the plate-shaped curved washer, a nut pressure contact surface with which the lock nut is pressure contacted is formed as a flat surface. The suspension bolt, which is screwed into the plate-shaped curved nut through the elongated hole penetrating the arc-shaped curved piece of the suspension fitting, is the elongated hole without being affected by the inclination angle of the steel-framed roof frame. The field rim receiver suspension device according to any one of claims 1 to 4 , wherein the field rim receiver is suspended vertically by being guided by a hanger and the field rim receiver is suspended via a hanger. Suspending bolts are respectively hung from the field edge suspension metal fittings attached to at least a pair of steel frame purlins, and these pair of suspending bolts are respectively composed of short battledore bolts, and the runner board bolts are made of channel steel plates. The pair of braces are connected to each other, and the pair of braces are hung from the suspension fittings via the hanging bolts while being inclined to the left and right directions, respectively, and the lower ends of both the braces are fixed to the field rim receiver by the fasteners. The field edge suspension device according to any one of claims 1 to 5 . The strip-shaped punched metal plate for forming the hanging bracket is a part corresponding to an arcuate curved piece with a long hole, a part corresponding to a vertical piece with an engaging hole, and an upper end of the vertical piece. and the upper piece of the threaded holes which are folded by fold line parts, field according to any one of claims 1 to 5 consisting of a lower piece with the insertion hole that is folded by a fold line at the other end of the arc-shaped curved piece Edge-suspension suspension device.

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